package ch3;

public class SbTest {

	public static void main(String[] args) {
		// TODO 自动生成的方法存根
		StringBuilder sb = new StringBuilder("java61");
		sb.append("汪翔");
		sb.append("汪翔老婆");
		sb.append("倪子亚");
		sb.append(Math.PI);
		System.out.println(sb);
		sb.insert(14, "叶飞");
		System.out.println(sb);
		sb.delete(15, 22);
		System.out.println(sb);

	}

}
